This color of urine may reflect the following states:
Dehydration
The urine is dark yellow color ( dark orange ) is often a sign that the patient is dehydrated or drink enough water. One of the causes of dehydration: due to intense sweating without replenishing lost water. Other important factors that lead to dehydration - is excessive vomiting and diarrhea. Due to the dehydration, the concentration of nitrogenous wastes in the urine increases, it becomes concentrated urine, and the urine color changes from colorless to dark yellow. High concentration of nitrogen in the urine of slag along with changing the color gives the urine odor.
Medications and supplements
Admission B vitamins and supplements attached to the urine dark or bright yellow. All water-soluble B vitamins, if taken in doses exceeding the needs of the body, their excess is excreted in the urine. Medications such as quinine and quinine derivatives, rifampin, warfarin, sulfamethoxazole and nitrofurantoin may give the urine is dark yellow or orange color and urine after the recent admission of laxatives may have a dark color.